Can we use MAT_ADD_EROSION with implicit analysis for a bending test in ls-dyna?

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Thomas Borrvall

Could work, but no particular support for implicit analysis is implemented... It's only a failure criterion with no dependence on the geometry, unless you refer to GISSMO or DIEM damage models... implicit analysis won't like the discontinous residual resulting from failure of elements though... T.

Nebras Shash

The material " Mat_add_Erosion" is not a separate material. But it is used for definition a failure criterion in the material, this is in the case that are not defined in the carte Mat.